Unlock instant, AI-driven research and patent intelligence for your innovation.

Viscous powdery emulsion explosive for top hole and preparation method thereof

A powdery emulsified explosive and viscous technology, which is applied in the direction of explosives, non-explosive/non-thermal agent components, offensive equipment, etc., can solve the problem of high return amount of top-hole pneumatic charge, and solve the problem of high labor intensity and difficult production operations. Simple, sticky-enhancing effect

Pending Publication Date: 2022-05-13
陕西北方民爆集团有限公司
View PDF8 Cites 0 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to provide a viscous powdery emulsion explosive for the top hole, improve the viscosity of the powdery emulsion explosive, and solve the problem of high return charge of the top hole pneumatic charge

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • Viscous powdery emulsion explosive for top hole and preparation method thereof
  • Viscous powdery emulsion explosive for top hole and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0044] This embodiment provides a method for preparing a viscous powdery emulsion explosive for top holes, which is specifically implemented according to the following steps:

[0045] Step 1. Weigh the following raw materials according to mass fraction: 86.854% of ammonium nitrate, 0.287% of sodium nitrate, 6.559% of water, and 6.3% of high-viscosity composite oil phase;

[0046] The high-viscosity composite oil phase is composed of the following raw material components according to the mass fraction: 10% microcrystalline wax, 80% microcrystalline wax paste, 3.5% stearylamine acetate, 0.5% SP-80 emulsifier and 6 stearic acid %;

[0047] Step 2. Prepare the water phase solution: pour ammonium nitrate, sodium nitrate and water into container A, melt at 115°C, stir evenly to obtain the water phase solution, control the temperature of the water phase solution at 115°C and control the water phase solution The crystallization point is 110°C;

[0048] Step 3. Preparation of oil pha...

Embodiment 2

[0053] This embodiment provides a method for preparing a viscous powdery emulsion explosive for top holes, which is specifically implemented according to the following steps:

[0054] Step 1. Weigh the following raw materials according to mass fraction: 86.204% ammonium nitrate, 0.286% sodium nitrate, 6.510% water, and 7.0% high-viscosity composite oil phase;

[0055] The high-viscosity composite oil phase is composed of the following raw material components according to the mass fraction: 10% microcrystalline wax, 80% microcrystalline wax paste, 3.5% stearyl ammonium acetate, 0.5% SP-80 emulsifier and 6 stearic acid %;

[0056] Step 2. Prepare the water phase solution: pour ammonium nitrate, sodium nitrate and water into container A, melt at 115°C, stir evenly to obtain the water phase solution, control the temperature of the water phase solution at 115°C, and control the temperature of the water phase The crystallization point of the solution is 110°C;

[0057] Step 3. Pre...

Embodiment 3

[0062] This embodiment provides a method for preparing a viscous powdery emulsion explosive for top holes, which is specifically implemented according to the following steps:

[0063] Step 1. Weigh the following raw materials according to mass fraction: 85.741% ammonium nitrate, 0.284% sodium nitrate, 6.475% water, and 7.5% high-viscosity composite oil phase;

[0064] The high-viscosity composite oil phase is composed of the following raw material components according to the mass fraction: 10% microcrystalline wax, 80% microcrystalline wax paste, 3.5% stearyl ammonium acetate, 0.5% SP-80 emulsifier and 6 stearic acid %;

[0065] Step 2. Prepare the water phase solution: pour ammonium nitrate, sodium nitrate and water into container A, melt at 115°C, stir evenly to obtain the water phase solution, and control the temperature of the water phase solution at 115°C to control the water phase solution The crystallization point is 110°C;

[0066] Step 3. Preparation of oil phase so...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

PUM

PropertyMeasurementUnit
Rateaaaaaaaaaa
Fiercenessaaaaaaaaaa
Bulk densityaaaaaaaaaa
Login to View More

Abstract

The invention discloses a viscous powdery emulsion explosive for hole jacking, which is prepared from the following raw material components in percentage by mass: 85.277 to 86.854 percent of ammonium nitrate, 0.283 to 0.287 percent of sodium nitrate, 6.440 to 6.559 percent of water and 6.3 to 8.0 percent of high-viscosity compound oil phase, and the sum of the mass fractions of the components is 100 percent. The viscosity of the powdery emulsion explosive is improved, and the problem that the pneumatic charging amount is high is solved. The invention also discloses a preparation method of the viscous powdery emulsion explosive for the top hole. The preparation method comprises the following steps: weighing raw materials, preparing an aqueous phase solution, preparing an oil phase solution, mixing the aqueous phase solution and the oil phase solution to obtain a mixed solution, pulverizing, cooling and sieving to prepare the viscous powdery emulsion explosive for the top hole. According to the invention, the production of the viscous powdery emulsion explosive for top holes can be realized without changing the main body equipment and the process flow of the powdery emulsion explosive production line, and toxic and polluted energetic materials such as TNT (trinitrotoluene) and the like used in the traditional viscous explosive production are avoided.

Description

technical field [0001] The invention belongs to the technical field of civil blasting, and relates to a viscous powdery emulsion explosive for top holes and a preparation method for the viscous powdery emulsion explosive for top holes. Background technique [0002] Explosives for top holes are commonly used in civil blasting engineering. Before the advent of viscous granular explosives, many underground mines used air compressors to blow powdered explosives into the blast holes. Powdered explosives were used for top hole charging. There are many disadvantages at the same time: poor working conditions, high rate of drug return during pneumatic charging, wasting explosives, polluting the environment, and operators suffer from it; labor intensity is high, powdery emulsion explosives are easy to agglomerate, and when charging Manual screening and crushing must be carried out on the working surface; powdery emulsion explosives have poor water resistance, and when the blast hole i...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

Application Information

Patent Timeline
no application Login to View More
IPC IPC(8): C06B23/00C06B31/28
CPCC06B23/009C06B31/28
Inventor 王海燕姚如意魏周华李建红薛熊刚胡弟郭涵郝蓓斌张新良雷智军党创刚何锋军周捍卫
Owner 陕西北方民爆集团有限公司